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Male Guillaume I De Thiers Click to view Guillaume I De Thiers in the family tree

Guillaume I De was born about 0980 in France.1   Guillaume I De's father was Guy II De Thiers and his mother was Rechlinde.  He was an only child.  He died about 1048.1 


Guillaume I De's first family with Ponce

They had a son named Etienne II De.


Guillaume I De's second family with Adelaide De CHALONS

‌Guillaume I De and Adelaide De were married in a religious ceremony in <Chalons,Seine-Et-Loire,France>.1   They had a son named Etienne Ii De.

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